Rude freckled face manager

On the 22nd June, I meet a rude supervisor, a freckles guy who was called to authorize refund. Without greeting me he asked why I'm returning the item and I rep**** I'm was unsatisfied with it and with an attitude remarked that "ooh when you bought why didn't you see that it not satisfactory for you". It was as if I was irritating him to come and authorize when it is actually my right to request a refund or exchange and it is his job to authorize. The cashier lady apologized to me as two she noticed how rude the guy was. The cashier lady was nice and has the personality of been a manager